You don’t have to download all of them… just pick the version that you intend to use.

Unzip the archive. You’ll find a build.xml inside. Edit ${flex.sdk.dir} to point to your corresponding Flex SDK installation directory. Run ant. After running build.xml, you should see the HFCD “client” directory and HFCD “server” directory.

You start HFCD by running server/bin/hfcd. If you want to use ant to call HFCD, use client/lib/hfcd-ant-tasks.jar. For more information on how to use the HFCD ant tasks, please check out the HFCD ant task language reference: